From: Zhu Yanjun <yanjun....@oracle.com> Date: Fri, 22 Sep 2017 10:20:21 -0400
> In the xmit/rx fastpath, the function dma_map_single rarely fails. > Therefore, add an unlikely() optimization to this error check > conditional. > > Signed-off-by: Zhu Yanjun <yanjun....@oracle.com> Applied to net-next, thanks.
